The strange grass never seen before is ______ to be a new plant.
. A growing number of people are beginning to believe that learning new skills and knowledge _____ more promotion opportunities.
His interests extended _____ the fine arts to international politics and philosophy.
—Mr. Smith _____ in Russia for 10 years. —No wonder he can speak Russian fluently and now teaches Russian in a Chinese college.
He chose to teach in a western province, though he _______ in the city for a better life.
—Did you hear that Li Hua was robbed during his recent trip to South Africa? —Yes, not only ________ his money, but he was nearly killed.